Either the specified path does not exist or is not reachable: '{0}'. Confirm that the following user is a member of the Administrators ...

Either the specified path does not exist or is not reachable: '{0}'. Confirm that the following user is a member of the Administrators group on the machine and that the 'File and Printer Sharing' exception is enabled in the firewall: {1} on {2}. Error code: {3}. Error message: {4}. Wait a few minutes and then click 'Repair/Install Agents'. Alternatively, use the Environment Viewer to connect to the machine and install the test agent manually.